Designed to assure good seating posture, the First Class School Chair FC 4000 is comfortable, attractive and adjustable. It is ideal for physically challenged children with mild to moderate involvement for use in the classroom, clinic or home. Its multiple adjustments and accessories meet the needs of each child as they grow and develop. Seat - adjustable in height and depth with a 15 deg. anterior or posterior tilt. Armrest - adjustable in height and width. Pelvic Belt - adjustable seat belt helps maintain proper hip position.